此方法返回哈希的克隆。
语法
hash.clone();
返回值
返回哈希的克隆。
例子
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> function showResult() { var hash = new Hash({ a: 'apple'}); var clone = hash.clone(); alert("Value in hash : " + hash.get('a') ); alert("Value in clone : " + clone.get('a') ); hash.unset('a'); clone.unset('a'); } </script> </head> <body> <p>Click the button to see the result.</p> <br /> <br /> <input type = "button" value = "Result" onclick = "showResult();"/> </body> </html>
作者:terry,如若转载,请注明出处:https://www.web176.com/prototype_api/8743.html